Ty Franck and Daniel Abraham -- also known as James S. A. Corey -- chatted with MTV Geek at Worldcon to discuss their "Expanse" series of novellas. "Expanse" incorporates "Leviathan Wakes" (2011), "Caliban's War" (2012), and "Abaddon's Gate" (to be released on June 4th, 2013). Click the video below to hear the writing team chat all things "Caliban's War!"